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| author | Chris Lattner <sabre@nondot.org> | 2005-09-29 06:11:34 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-09-29 06:11:34 +0000 |
| commit | 475cfe42c05aa84d599835ef44c3e7fe641f5b36 (patch) | |
| tree | d72a6975093ea7be62958f2e1eaf666f6e320558 /test | |
| parent | c330069e20ff266c0bf74b8226d49420ecde91cc (diff) | |
| download | external_llvm-475cfe42c05aa84d599835ef44c3e7fe641f5b36.zip external_llvm-475cfe42c05aa84d599835ef44c3e7fe641f5b36.tar.gz external_llvm-475cfe42c05aa84d599835ef44c3e7fe641f5b36.tar.bz2 | |
add a new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23518 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/memcmp.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/memcmp.ll b/test/Transforms/SimplifyLibCalls/memcmp.ll new file mode 100644 index 0000000..d2c660a --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/memcmp.ll @@ -0,0 +1,23 @@ +; Test that the memcmpOptimizer works correctly +; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*memcmp' && +; RUN: llvm-as < %s | opt -simplify-libcalls -disable-output + +declare int %memcmp(sbyte*,sbyte*,int) +%h = constant [2 x sbyte] c"h\00" +%hel = constant [4 x sbyte] c"hel\00" +%hello_u = constant [8 x sbyte] c"hello_u\00" + +implementation + +void %test(sbyte *%P, sbyte *%Q, int %N, int* %IP, bool *%BP) { + %A = call int %memcmp(sbyte *%P, sbyte* %P, int %N) + volatile store int %A, int* %IP + %B = call int %memcmp(sbyte *%P, sbyte* %Q, int 0) + volatile store int %B, int* %IP + %C = call int %memcmp(sbyte *%P, sbyte* %Q, int 1) + volatile store int %C, int* %IP + %D = call int %memcmp(sbyte *%P, sbyte* %Q, int 2) + %E = seteq int %D, 0 + volatile store bool %E, bool* %BP + ret void +} |